[Robert Blackwood Ritchie with Charles Edward Coldham, 20 June 1912]

-, [Robert Blackwood Ritchie with Charles Edward Coldham, 20 June 1912] (20 June 1912), [UMA-ITE-1974008400367]. University of Melbourne Archives, accessed 09/11/2025, https://archives.library.unimelb.edu.au/nodes/view/218756